What is the primary source of energy for photosynthesis?

• Water

• Sunlight

• Soil

• Oxygen

In an electrical circuit, what is the role of a battery?

• To provide resistance

• To supply energy

• To conduct electricity

• To store data

Which of the following is an example of energy transformation in an amusement park ride?

• Kinetic energy to potential energy

• Chemical energy to thermal energy

• Electrical energy to sound energy

• Light energy to chemical energy

What is the process called when plants convert sunlight into chemical energy?

• Respiration

• Photosynthesis

• Fermentation

• Digestion

In a food web, what happens to energy as it moves from one organism to another?

• It is destroyed

• It is conserved

• It increases

• It disappears

Which of the following best describes the conservation of energy in a closed system?

• Energy is lost

• Energy is created

• Energy is transformed

• Energy is destroyed

What type of energy transformation occurs when a light bulb is turned on?

• Electrical to thermal

• Chemical to electrical

• Mechanical to chemical

• Thermal to mechanical

Which component in an electrical circuit is responsible for providing resistance?

• Battery

• Resistor

• Switch

• Wire

What is the main purpose of a food web?

• To show how energy is created

• To illustrate energy transfer between organisms

• To demonstrate energy destruction

• To depict energy storage

Which of the following is a simple procedure to demonstrate energy transformation?

• Boiling water

• Lighting a match

• Melting ice

• Freezing water